ctuating element i.e. lever, which are formed such that locking ball is permanently held in locking position or releasing positionDE102009060715A1 *29 Dic 200930 Jun 2011Richard Wolf GmbH, 75438Suction-rinsing-handle for endoscopic instrument that is utilized during endoscopic operation of paranasal sinuses, has suction connection and/or rinsing connection pivotable relative to adjacent part of ha